1968 Buick GS 400 Engine Internals
Keep Your 1968 Buick GS 400 in Top Shape with Quality Engine Internals
Whether you’re repairing or upgrading your Engine Internal, using high-quality parts is key to keeping your 1968 Buick GS 400 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Standard Piston Rings, Standard Individual Rod Bearings, and Oversized Main Bearings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1968 Buick GS 400 Engine Internal at Advance Auto Parts is around $70.89, with a range that starts at $10.99 and goes up to $106.99. With 10 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Engine Connecting Rod Bearing Set, Engine Crankshaft Main Bearing Set, and Engine Piston Ring Set start at just $63.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Internal, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1968 Buick GS 400 in peak condition, inside and out.
Find Your Specific 1968 Buick GS 400 Engine Internals
Looking for the perfect Engine Internal for your 1968 Buick GS 400? You’re in the right place. Below, you’ll find links to various types of Engine Internals that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Internals, ensuring durability and a precise fit for your Buick GS 400. Whether you’re driving a 1968 model or another popular model year like
1969, we’ve got you covered. Purchasing Engine Internals from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Internals that fit your vehicle.
Essential 1968 Buick GS 400 Engine Internals
Sealed Power – Engine Piston Ring Set (Part No.E-286K 30)
from
$106.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-286K)
from
$101.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-286K 40)
from
$94.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-286K 60)
from
$97.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP)
from
$10.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP 10)
from
$10.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M)
from
$97.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 10)
from
$61.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP)
from
$63.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 30)
from
$60.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Popular 1968 Buick GS 400 Engine Internals Categories
Most Popular Standard Piston Rings for 1968 Buick GS 400s
Enhance your 1968 Buick GS 400 with one of the 4 Standard Piston Rings we have in stock, starting at just $94.99.
Sealed Power – Engine Piston Ring Set (Part No.E-286K 30)
from
$106.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-286K)
from
$101.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-286K 60)
from
$97.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Sealed Power – Engine Piston Ring Set (Part No.E-286K 40)
from
$94.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Face of top rings are coated with latest generation Plasma-Moly
- Decreases friction
- Very resistant to scuffing
- Exacting tolerances
- Meets or exceeds OEM specifications
Best-Selling 1968 Buick GS 400 Standard Individual Rod Bearings
Upgrade your GS 400 with one of our 2 best-selling Standard Individual Rod Bearings.
Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP 10)
from
$10.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP)
from
$10.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Top-Quality Oversized Main Bearings for 1968 Buick GS 400s
Choose a high-quality OEM or aftermarket Oversized Main Bearing for Buick GS 400s and enjoy top-notch performance from $97.99.
Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4664M)
from
$97.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength – provides conformability required for older applications
- State-of-the-art manufacturing
- Exacting tolerances
- Meets or exceeds OEM specifications
Top Picks for 1968 Buick GS 400 Standard Rod Bearing Sets
Invest in one of our 3 durable Standard Rod Bearing Sets for your 1968 Buick, knowing you’re getting trusted brands and expert craftsmanship.
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP)
from
$63.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 10)
from
$61.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-3320CP 30)
from
$60.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.
Product Features:
See More
Product Features:
- Steel-backed bronze alloy lining with overplate
- Popular for fatigue resistance & strength
- Provides conformability required for older apps
- Our standard material is comparable to competitors performance bearing
- Note – This material offers less resistance to wear & corrosion than other materials.
- Utilizes ISO & QS certified manufacturing
FAQs for 1968 Buick GS 400 Engine Internals
What are the best-selling Engine Internals for 1968 Buick GS 400s?
Out of 10 Engine Internals that fit 1968 Buick GS 400s, the following parts are the top sellers:
- Engine Connecting Rod Bearing Set (20686570) – $63.99
- Engine Crankshaft Main Bearing Set (3702421) – $97.99
- Engine Piston Ring Set (19692565) – $101.99
What’s the price range for 1968 Buick GS 400 Engine Internals?
The prices of Engine Internals for the 1968 Buick GS 400 range from $10.99 up to $106.99 for the most premium parts.
What is the average price of an Engine Internal for a 1968 Buick GS 400?
The average price for Engine Internals for the 1968 Buick GS 400 is $70.89. Keep in mind the variety of part types within our Engine Internal category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Engine Internals for my 1968 Buick GS 400?
The cheapest 1968 Buick GS 400 Engine Internals we carry are:
- Engine Connecting Rod Bearing (3704831) – $10.99
- Engine Connecting Rod Bearing (3704823) – $10.99
- Engine Connecting Rod Bearing Set (20686571) – $60.99
- Engine Connecting Rod Bearing Set (19693562) – $61.99
- Engine Connecting Rod Bearing Set (20686570) – $63.99
Does Advance Auto Parts sell Engine Internals for any other 1968 Buick models?
Yes. We stock Engine Internals for 7 other popular 1968 Buick models. Some of the most popular are 1968 LeSabre Engine Internals, 1968 Skylark Engine Internals, 1968 Riviera Engine Internals, 1968 Electra Engine Internals, and 1968 Special Engine Internals.
What types of Engine Internals do you sell for my 1968 Buick GS 400?
As of 11/2/25, these are some of the most in-demand types of Engine Internals for a 1968 Buick GS 400:
Can I get help with 1968 Buick GS 400 Engine Internal orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Engine Internals and more.
What is your return policy for Buick GS 400 Engine Internals?
Advance Auto Parts keeps returns simple. For new Buick GS 400 Engine Internals and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.